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Question
DPT vaccine is an example of
DPT vaccine is an example of
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Solution
The correct option is B Active immunity
DPT vaccine is a class of combination vaccines against three infectious diseases in humans, namely diphtheria, pertussis, and tetanus. The vaccine components include diphtheria and tetanus toxoids and heat killed cells of the organisms that cause pertussis. So, this is an example of active immunity whereby the antibodies are formed in response to the presence of an antigen.
Thus, the correct answer is option B.
DPT vaccine is a class of combination vaccines against three infectious diseases in humans, namely diphtheria, pertussis, and tetanus. The vaccine components include diphtheria and tetanus toxoids and heat killed cells of the organisms that cause pertussis. So, this is an example of active immunity whereby the antibodies are formed in response to the presence of an antigen.
Thus, the correct answer is option B.
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